Where on the periodic table are the most reactive metals located?
A) Group IA (alkali metals)
B) Group IA (alkaline earth metals)
C) Group IIA (alkali metals)
D) Group IIA (alkaline earth metals)
E) Group VIIA (halogens)

Question

Quizplus · Accepted Answer

The alkali metals in Group IA are the most reactive metals on the periodic table because they have only one valence electron that is easily lost to form a positive ion. This reactivity increases as you move down the group.

Where on the Periodic Table Are the Most Reactive Metals